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The compression
Viking's double adjustable rear shocks feature 19 independently adjustable compression and rebound settings
Installation is accomplished by removing the factory carrier bearing mount and substituting with the UMI 6573 shim kit
UMI Performance’s upper control arm mount is a direct replacement of the factory stamped steel mount
Increase rear suspension handling by replacing your weak factory stamped steel rear lower control arms and rubber bushings control arms with UMI's heavy duty tubular adjustable setup
ACT Heavy Duty Race Sprung 6 Pad Clutch Kit 1986-pontiac-firebird-esi7455448 The compressionSB8 HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 6 pad, spring centered race disc features a spring center to properly damp
